Blisterpack with 4 AA eneloops Product Name BK-3MCCE/4BE Minimum Capacity 1900 mAh Voltage1.2 V Life Cycles up to 2100 cycles Self-Discharge approx. 70% capacity after 5 yearsEneloop is the perfect, long-life, pre-charged, energy and money saving, recyclable rechargeable battery which can now be charged and discharged even up to 2100 times. Since its launch in November 2005 eneloop has revolutionized the consumer-use rechargeable battery segment with its unique features. Eneloop is a rechargeable battery that can be used as easily as a dry-cell battery, and reused simply by recharging it. It combines all advantages of a dry-cell battery and a rechargeable battery while also protecting the environment.

Eneloop Pro batteries are the perfect choice for powering high current consuming devices such as photo strobe flash lights, wireless keyboards, mice, game controllers, radio controlled toys and a range of household devices. They can all realize extended performance when powered by eneloop XX batteries. Panasonic have developed the eneloop XX batteries to excel in extreme conditions where high power performance in very low temperature environments (down to -20°C) is needed. The eneloop XX Nickel Metal Hydride batteries retain up to 85% of their capacity even after one year of storage. Unlike regular alkaline batteries which can only be used once and are wasteful to the environment, the eneloop XX batteries can be recharged up to 500 times. They come pre-charged and can be used immediately out of the pack. Panasonic eneloop pro unique features at a glance: Low self discharge rechargeable  battery Size AA: Minimum capacity 2500 mAh Size AAA: Minimum capacity 900 mAh Provides high power performance down to sub-zero temperatures (as low as -20°C) Can be recharged up to 500 times Combines the best features of AA alkaline (ready for use) and rechargeable (reusable) batteries Factory pre-charged by solar energy and ready to use right out of the package Maintain 85% of their charge after 1 year of storage Stable voltage with longer power life than alkaline batteries No memory effect – batteries can be recharged when fully, or partially drained Provide long lasting power while saving costsPLEASE NOTE: Following the acquisition of Sanyo by Panasonic, a fourth generation of Eneloop was introduced in April 2013 which states Panasonic instead of Sanyo on the label. The technological change is that the number of recharges was increased. They can now be recharged up to 2,100 times